Abstract
Two new pyrrolidine alkaloids, ficushispimines A (1) and B (2), a new ω-(dimethylamino)caprophenone alkaloid, ficushispimine C (3), and a new indolizidine alkaloid, ficushispidine (4), together with the known alkaloid 5 and 11 known isoprenylated flavonoids 6 - 16, were isolated from the twigs of Ficus hispida. Their structures were elucidated by spectroscopic methods. Isoderrone (8), 3'-(3-methylbut-2-en-1-yl)biochanin A (11), myrsininone A (12), ficusin A (13), and 4',5,7-trihydroxy-6-[(1R*,6R*)-3-methyl-6-(1-methylethenyl)cyclohex-2-en-1-yl]isoflavone (14) showed inhibitory effects on α-glucosidase in vitro.
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